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Q1. A chair of weight 74.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 47.0 N directed at an angle of 41.0^circ below the horizontal and the chair slides along floor.
Q2. A .280 kg croquet ball makes an elastic head on collision with a second ball initially at rest. The second ball moves off with half the original speed of the first ball. What is the mass of the second ball? What fraction of the original kinetic energy gets transferred to the second ball?
A 58.0 %u03BCF capacitor is connected to a generator operating at a low frequency. The rms voltage of the generator is 5.00 V and is constant. at what frequency will the fuse burn out
The ball is 21.9 m from the goal post. The ball is kicked with an initial velocity of 19.8 m/s at an angle θ above ground. Between what two angles, θ1 and θ2, will the ball clear the 2.74m high crossbar.
Compute the average acceleration of car and lizard and the final velocity of a Ferrari.
A 20-kg block and a 10-kg ball are hung from the ceiling through a pulley as shown below, calculate the acceleration of the ball and the block
how high does it rise above the point of free.
Find the maximum weight for the car if the springs should be compressed no more than 4.2 cm when the car is at rest
A coffee filter of mass 1.4 grams dropped from a height of 3 m reaches ground with a speed of 0.7 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter.
A petite young woman distributes her 550{\rm N} weight equally over the heels of her high-heeled shoes. Each heel has an area of 0.650{\rm cm^2}. What pressure is exerted on the floor by each heel
A 1128 kg car and a 2210 kg pickup truck approach a curve on the expressway that has a radius of 272 m. A) At what angle should the highway engineer bank this curve so that vehicles traveling at 72.9 can safely round it regardless of the condition..
The mass of a robot is 3780 kg. This robot weighs 3540 N more on planet A than it does on planet B. What is the difference MA - MB in the masses of these planets
Two uniform, solid disks are rotating freely about the same axis. Then they are linked together without the aid of any external influences. Before being connected.
A seed shoots out from the pod with the speed of 2.6m/s but with a direction of motion 30° below the horizontal. The seed pod is initially 1.1m above the ground.
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